MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 239ec3bfd566b2e7c09a16c28997aac2ddaad1c717baa23b2f22e5e212ac9c00. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



NanoCore


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 239ec3bfd566b2e7c09a16c28997aac2ddaad1c717baa23b2f22e5e212ac9c00
SHA3-384 hash: 3545d011b80455e196690f44955bd323162f77ff653ef5eed00c5edbd24d81e79c7636a269f3b1a065e5e48276a62ef5
SHA1 hash: 55cc8252b46e71d14d8ae8feb8d5e501f5f60ce4
MD5 hash: 1097cb59e392ec63ae80f9cfdbd348e9
humanhash: coffee-wisconsin-golf-cola
File name:Order 3.2.22.exe
Download: download sample
Signature NanoCore
File size:41'472 bytes
First seen:2022-03-02 08:13:42 UTC
Last seen:2022-03-04 09:08:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:j2s5GpHsK7Y1xkbkbcV9MLr96gLZmjzYnP7RhRvxKq2Y1rqId:zxK7YTkb8W+4iKEFXvxKqHs8
TLSH T120135CD2A78FD574EC9B0A391C37DD401A16FE39AE8116443ED0764B4EB3643D66320B
File icon (PE):PE icon
dhash icon e0e4a2aaa4b8a888 (10 x DarkWatchman, 5 x SnakeKeylogger, 5 x Formbook)
Reporter cocaman
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Running batch commands
DNS request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Nanocore Rat
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581405 Sample: Order 3.2.22.exe Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 43 derarawfile10.ddns.net 2->43 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 18 other signatures 2->55 9 Order 3.2.22.exe 16 6 2->9         started        14 dhcpmon.exe 2 2->14         started        signatures3 process4 dnsIp5 45 cdn.discordapp.com 162.159.133.233, 443, 49707 CLOUDFLARENETUS United States 9->45 35 C:\Users\user\AppData\Local\bin.exe, PE32 9->35 dropped 37 C:\Users\user\...\bin.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\...\Order 3.2.22.exe.log, ASCII 9->39 dropped 57 Creates an undocumented autostart registry key 9->57 59 Encrypted powershell cmdline option found 9->59 16 RegAsm.exe 1 11 9->16         started        21 powershell.exe 9 9->21         started        23 conhost.exe 14->23         started        file6 signatures7 process8 dnsIp9 41 derarawfile10.ddns.net 212.192.241.164, 1187, 49708, 49709 RAPMSB-ASRU Russian Federation 16->41 31 C:\Users\user\AppData\Roaming\...\run.dat, data 16->31 dropped 33 C:\Program Files (x86)\...\dhcpmon.exe, PE32 16->33 dropped 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->47 25 cmd.exe 1 21->25         started        27 conhost.exe 21->27         started        file10 signatures11 process12 process13 29 timeout.exe 1 25->29         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-03-02 08:14:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Modifies WinLogon for persistence
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
derarawfile10.ddns.net:1187
212.192.246250:1187
Unpacked files
SH256 hash:
239ec3bfd566b2e7c09a16c28997aac2ddaad1c717baa23b2f22e5e212ac9c00
MD5 hash:
1097cb59e392ec63ae80f9cfdbd348e9
SHA1 hash:
55cc8252b46e71d14d8ae8feb8d5e501f5f60ce4
Malware family:
NanoCore
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

NanoCore

Executable exe 239ec3bfd566b2e7c09a16c28997aac2ddaad1c717baa23b2f22e5e212ac9c00

(this sample)

Comments